What is the earliest fossil hominin?
A. Sahelanthropus tchadensis
B. Ardipithecus kadabba
C. Australopithecus robustus
D. Australopithecus africanus
E. Ardipithecus ramidus
Answer: A
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Gastrulation results in the formation of:
A. a bilaminar embryo consisting of the epiblast and the hypoblast. B. a trilaminar embryo consisting of the epiblast, the mesoblast, and the hypoblast. C. a gastrula consisting of a trilaminar embryo. D. a trilaminar embryo consisting of ectoderm, endoderm, and mesoderm. E. a bilaminar gastrula consisting of the epiblast and the hypoblast.
The technique of transferring proteins from SDS-PAGE gels onto a membrane and using labeled antibodies to identify particular proteins is known as ________
Fill in the blank with correct word.
GTGTGTGTGT is an example of a(n) single nucleotide polymorphism. Indicate whether the statement is true or false
Earthworms, grasshoppers, and birds all have an expanded region of the gut associated with the temporary storage of food, which is called the _____
A) gastric cecae B) larynx C) crop D) pharynx E) epiglottis